lock-in
noun[C]
uk/ˈlɒk.ɪn/us/ˈlɑːk.ɪn/lock-innoun[C](FINANCIAL ARRANGEMENT)
alengthoftimeduring which you are notallowedto end orchangeafinancialarrangement
（财务协议）锁定期间
Your newmortgagemay have alonglock-inperiod,particularlyif you go for afixedrate.你的新住房按揭可能有一长段锁定期间，尤其如果你申请固定利率的话。
lock-innoun[C](PUB)
UKinformal
anoccasionwhen apublocksitsdoorsandallowspeopletocontinuedrinkingillegally after thetimewhen it should haveclosed
（在法定时间之后）酒吧（关上门）非法延长营业
There was a lock-in at mylocallastnight.昨晚我家附近的一家酒馆关门后非法营业。